• Throttle Body
• Return-Style Drop-In Module
• Power Distribution Module (PDM)
• 3.50 in. Handheld Interface
  
  

  Find Your Compatible Ignition Distributor Here: Holley Sniper EFI HyperSpark Distributors

  Holley 510-550-511-3PR Features:

  The Sniper 2 EFI is a self-tuning, easy-to-install system designed with a 4-barrel (4150) flange. With 14 new features, it’s now simpler, more reliable, and more advanced than ever. Seamlessly integrate with the Sniper Ecosystem—Hyperspark ignition, full fuel systems, user-friendly displays, and more. Enjoy modern fuel injection benefits like easy cold starts, smooth drivability, and better fuel economy. Designed for DIY installation, Sniper 2 requires minimal tools and no tuning experience. Just answer a few engine questions, and the system self-tunes—no laptop needed! Upgrade your classic ride with cutting-edge EFI performance today!

  • Easy Installation – Only four wiring connections: Battery+, Battery-, Switched Ignition, and RPM
  • Self-Tuning Wizard – Just answer a few questions, and it auto-tunes—no laptop required
  • Powerful Performance – Supports up to 650 HP NA or 575 HP boosted with four 100 lb/hr injectors
  • Improved ECU – Enhanced RF noise resistance for reliable performance with old wiring and noisy alternators
  • Smoother Throttle Feel – Redesigned throttle shaft and plate geometry
  • Plug-and-Play Ignition – Direct support for HyperSpark distributors; adaptors available for other ignition types
  • Display – 3.5” LCD
  • Simplified Wiring – Power Distribution Module (PDM) reduces wiring complexity
  • Complete Fuel System Kits – Includes hoses, fuel pump, regulator, filters, and hardware
  • Transmission Compatibility – Integrated kick-down provisions for GM TH350/400, 200-4R/700R4, and Ford C4/C6
  • Clean Installation – “Hidden Harness” design for a sleek engine bay
  • Advanced Connectivity – Next-gen CAN bus connectors for seamless integration
  • Reliable Components – Improved injector connectors, magnetic TPS sensor, and cast-in fuel crossover
  • Serialized Throttle Bodies – Every unit has a birth certificate for better warranty support
  • Real-Time Fuel Mapping – Bosch LSU 4.9 wideband oxygen sensor included for precise tuning

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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